Add ILA for debugging dma requests

src/pcie_dma_wrapper.sv

@@ -103,6 +103,31 @@ always_comb begin
     hwif_in.dma_wr.done.done.hwset = wr_desc.sts_valid;
 end
 
+`ifndef SIM
+ila_0 rd_desc_ila (
+    .clk                (clk),
+
+    .probe0             (rd_desc.req_src_addr),
+    .probe1             (rd_desc.req_dst_addr),
+    .probe2             (rd_desc.req_len),
+    .probe3             (rd_desc.req_tag),
+    .probe4             (rd_desc.req_valid),
+    .probe5             (rd_desc.req_ready),
+    .probe6             (rd_desc.sts_valid)
+);
+
+ila_0 wr_desc_ila (
+    .clk                (clk),
+
+    .probe0             (wr_desc.req_dst_addr),
+    .probe1             (wr_desc.req_src_addr),
+    .probe2             (wr_desc.req_len),
+    .probe3             (wr_desc.req_tag),
+    .probe4             (wr_desc.req_valid),
+    .probe5             (wr_desc.req_ready),
+    .probe6             (wr_desc.sts_valid)
+);
+`endif
 
 taxi_dma_if_pcie_us #(
     // disable flow control, shouldn't be needed